CN114320310B

CN114320310B - Rapid tunneling system for newly-opened rescue tunnel

Info

Publication number: CN114320310B
Application number: CN202111440764.9A
Authority: CN
Inventors: 高广军; 邓赞; 苗秀娟
Original assignee: Central South University; Changsha University of Science and Technology
Current assignee: Central South University; Changsha University of Science and Technology
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2023-06-06
Anticipated expiration: 2041-11-30
Also published as: CN114320310A

Abstract

The invention discloses a rapid tunneling system for a newly opened rescue tunnel, which comprises an equipment carrier vehicle, a tunneling device, a supporting pipeline, a soil discharging device and a pipeline laying robot, wherein a power driving platform for providing power and controlling the equipment carrier vehicle is arranged on the equipment carrier vehicle, the tunneling device, the supporting pipeline, the soil discharging device and the pipeline laying robot can be detached on the equipment carrier vehicle, the power driving platform is connected with the tunneling device through a hydraulic pipe, the tunneling device comprises a central shaft, the front end of the central shaft is provided with an opening assembly for the newly opened tunnel, the rear end of the central shaft is provided with a multistage supporting shoe assembly which can be opened to be contacted with the wall of the newly opened tunnel so as to provide supporting force for the opening assembly and can travel along the tunneling direction, and the soil discharging device is connected with the tunneling device. The tunneling system has the advantages of simple and reliable structure, high loading and unloading efficiency, capability of realizing rapid tunneling and saving rescue time.

Description

Rapid tunneling system for newly-opened rescue tunnel

Technical Field

The invention mainly relates to a construction technology of a safety rescue channel in the rescue process, in particular to a rapid tunneling system for a newly opened rescue tunnel.

Background

Mountain areas exist in China and countries around the world, and serious casualties caused by trapped personnel or incapability of timely rescue due to the occurrence of landslide, debris flow and other geological disasters near the mountain areas are often caused. Many casualties are due to the fact that personnel are buried in the soil, and because no rapid construction equipment is provided for opening an emergency rescue channel, the golden time of rescue is missed; the serious earthquake disaster often causes the rapid rescue of the people collapsed in ruins of the building, and the casualties hazard of the people is increased because the rescue equipment which can reach the trapped places of the people is not opened quickly; the large amount of construction of underground engineering causes geological disaster accidents such as 'door closing accident' caused by great collapse at intervals, and the personnel are trapped behind the collapse body and need quick open equipment of rescue and emergency channels. At present, when the rescue channel with the accident is only in a large collapse state and a door closing accident occurs in the tunnel, and people are trapped in front of the working face of the tunnel collapse body, a method for jacking the rear part of the tunnel in municipal small tunnel construction is applied to the construction of the rescue channel for quickly rescuing trapped people.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the rapid tunneling system for the newly opened rescue tunnel, which has the advantages of simple and reliable structure, high loading and unloading efficiency, capability of realizing rapid tunneling and saving rescue time.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a quick tunneling system for newly opening rescue tunnel, includes equipment carrier loader, advancing device, support pipeline, earth discharging device and pipeline laying robot, install the power driver's cabin that is used for providing power and control for it on the equipment carrier loader, advancing device, support pipeline, earth discharging device and pipeline laying robot can dismantle on the equipment carrier loader, the power driver's cabin passes through the hydraulic pipe and links with advancing device, advancing device includes the center pin, the trompil subassembly that is used for newly opening the tunnel is installed to the center pin front end, multistage strutting is installed to prop up with newly opening tunnel wall contact in order to provide holding power and can follow the support boots subassembly that the direction of advancing for the trompil subassembly to the center pin rear end, earth discharging device is connected with advancing device.

As a further improvement of the above technical scheme:

the support boot assembly comprises a travel driving piece, a support driving piece and a plurality of arc boot plates, the travel driving piece of the support boot assembly of the forefront stage is arranged on a central shaft, the support driving piece of the stage is sleeved with the central shaft and connected with the output end of the travel driving piece, each arc boot plate of the stage is arranged at the output end of the support driving piece along the circumferential direction, the support driving piece of the rear stage is sleeved in a connecting shaft and fixedly connected with the support driving piece of the front stage through the connecting shaft, and the travel driving piece of the rear stage is arranged on the connecting shaft.

The supporting rod of the forefront stage is sleeved in the central shaft and connected with the output end of the advancing driving member, each expanding driving cylinder is mounted on the supporting rod along the circumferential direction, each arc-shaped boot plate is mounted at the output end of the corresponding expanding driving cylinder along the circumferential direction, the connecting shaft is fixedly connected with the supporting rod of the previous stage, and the supporting rod of the next stage is sleeved in the connecting shaft of the previous stage.

The support rod of the forefront stage is sleeved in the central shaft and limits the rotation of the support rod through flat key matching, and the support rod of the rear stage is sleeved in the connecting shaft of the forefront stage and limits the rotation of the support rod through flat key matching.

The top surface of arc shoe plate is evenly spread and is used for improving the anchor cone of holding power.

The driving piece that marches includes mount table and driving cylinder that marches, and the mount table of the first stage is fixed on the center pin, and the driving cylinder that marches of this stage is fixed on the mount table, and its output is connected with the bracing piece of this stage, and the mount table of the later stage is fixed on the connecting axle of this stage.

The hole opening assembly comprises a reaming bit, a percussion module, a barrel drill and a cone drill, the barrel drill and the cone drill can be selectively installed at the front end of a central shaft according to working conditions, and the reaming bit and the percussion module can be adaptively installed on the central shaft according to working conditions.

The reaming bit comprises a turntable and reaming cutters which are uniformly arranged on the turntable at intervals, and a guide groove is formed between the reaming cutters.

The impact module comprises a fixed block, a buffer spring and a plurality of hydraulic impact drills, wherein the fixed block is sleeved on a central shaft, the buffer spring is sleeved on the central shaft and forms elastic contact with the fixed block, and the hydraulic impact drills are uniformly arranged along the circumference of the fixed block.

The impact module further comprises a protective cover, the protective cover is arranged outside the fixed block, the buffer spring and each hydraulic impact drill, and a plurality of avoidance holes for extending out of the corresponding impact drill are formed in the protective cover.

The device comprises a mounting piece and a plurality of sections of soil discharging mechanisms, wherein in the transportation process, each soil discharging mechanism is loaded on an equipment carrier vehicle in a laminated state, during tunneling, the uppermost soil discharging mechanism is connected with a central shaft through the mounting piece, the tunneling device drives the uppermost soil discharging mechanism to move towards the tunneling direction, and then the upper soil discharging mechanism drives the adjacent lower soil discharging mechanism to move towards the tunneling direction so as to drive each section of soil discharging mechanism to be in butt joint in sequence from inside to outside the tunnel to form a soil discharging conveying line.

The soil discharging mechanism comprises belt wheel conveyors, rollers are arranged on two sides of the front end and the rear end of each belt wheel conveyor, supporting legs are arranged on two sides of the rear end of each belt wheel conveyor, two rollers of the rear end are arranged on corresponding supporting legs, and the belt wheel conveyors on the upper layer drive the belt wheel conveyors on the lower layer to move towards the tunneling direction through the supporting legs of the belt wheel conveyors in the process that the soil discharging mechanism is unfolded to form the soil discharging conveying line.

Two gyro wheels of band pulley conveyer front end are all installed on the band pulley conveyer through the shaft, the shaft stretches out to the outer wall of corresponding gyro wheel, and in the in-process that each mechanism of discharging earth was expanded and is formed the earth-discharging transfer chain, the landing leg of band pulley conveyer of upper strata and the extension part contact of the shaft of band pulley conveyer of lower floor in order to drive it to the tunneling direction removal.

The mounting part is provided with a mounting part and a dragging part, the mounting part is hung on the central shaft, and the dragging part is connected with the front end of the earth discharging mechanism at the uppermost layer.

The support pipeline comprises at least two arc-shaped duct pieces, wherein adjacent arc-shaped duct pieces are hinged through a hinge piece, and a locking mechanism is arranged between the hinge piece and the arc-shaped duct pieces; in the conveying process, each supporting pipeline forms a flat pipe state which can prevent rolling and is beneficial to layer-by-layer stacking through the rotation of the hinge plates; when laying the group, pipeline laying robot stretches to flat intraductal flat pipe operation to newly open in the tunnel, in newly opening the tunnel, pipeline laying robot struts each arc section of jurisdiction of support pipeline and forms the pipe state, and just locks through locking mechanism between articulated piece and the arc section of jurisdiction.

The hinge plate comprises a sub hinge plate and a main hinge plate which are hinged with each other, the sub hinge plate is hinged with the arc-shaped duct piece on one side, the main hinge plate is hinged with the arc-shaped duct piece on the other side, the locking mechanism is arranged in the arc-shaped duct piece, and when the hinge plate is unfolded, the locking mechanism locks the sub hinge plate and the main hinge plate on the corresponding side.

The locking mechanism comprises a pre-pressing spring and a locking pin, wherein a mounting hole is formed in the arc-shaped duct piece, the pre-pressing spring is pre-pressed in the mounting hole, one end of the locking pin extends into the mounting hole and is arranged on the pre-pressing spring in a pressing mode, the other end of the locking pin is extruded out of the mounting hole, locking holes are formed in the sub hinge piece and the main hinge piece, the locking holes and the locking pin form dislocation in the flat pipe state, and the pre-pressing spring stretches and drives the locking pin to be inserted into the locking hole to form locking in the circular pipe state.

And the locking pin is provided with a clamping ring, when the locking pin is in a pre-pressing state, the clamping ring is clamped with the arc-shaped duct piece, when the locking pin is in a circular pipe state, the rotation of the sub-hinge piece and the main hinge piece drives the locking pin on the corresponding side to be back-pressed, so that the clamping ring is damaged to release the pre-pressing force of the pre-pressing spring, and the extrusion part of the locking pin is arranged to be hemispherical.

The pipeline laying robot comprises a robot body, wherein a spreading mechanism for spreading the flat pipe is arranged at one end of the robot body, and a travelling mechanism for realizing travelling is arranged at the other end of the robot body.

The supporting mechanism comprises a plurality of groups of swing cylinders which are circumferentially arranged along the front end of the robot body, supporting plates which are used for being in contact with the inner walls of the arc-shaped duct pieces are arranged at the end parts of the swing cylinders, the travelling mechanism comprises a plurality of groups of swing connecting rods which are circumferentially arranged along the rear end of the robot body, and travelling wheels which are used for realizing travelling are arranged at the end parts of the swing connecting rods.

The equipment carrier vehicle is provided with a cantilever table and a screw rod jacking machine arranged on the cantilever table, and the loading tunneling device is borne on the cantilever table and the tail end opening driving piece is connected with the screw rod jacking machine.

Compared with the prior art, the invention has the advantages that:

the invention discloses a rapid tunneling system for a newly opened rescue tunnel, which comprises an equipment carrier vehicle, a tunneling device, a supporting pipeline, a soil discharging device and a pipeline laying robot, wherein a power driving platform for providing power and controlling the equipment carrier vehicle is arranged on the equipment carrier vehicle, the tunneling device, the supporting pipeline, the soil discharging device and the pipeline laying robot can be detached on the equipment carrier vehicle, the power driving platform is connected with the tunneling device through a hydraulic pipe, the tunneling device comprises a central shaft, the front end of the central shaft is provided with an opening assembly for the newly opened tunnel, the rear end of the central shaft is provided with a multistage supporting shoe assembly which can be supported to be contacted with the newly opened tunnel wall so as to provide supporting force for the opening assembly and can travel along the tunneling direction, and the soil discharging device is connected with the tunneling device. In the structure, when loading, the tunneling device, the supporting pipeline, the soil discharging device and the pipeline laying robot are loaded on the equipment carrier vehicle, and the power driving platform is connected with the tunneling device through the hydraulic pipe to form a hydraulic power system, so that the equipment carrier vehicle special for newly opening the rescue tunnel is formed, the structure is simple and reliable, the loading station arrangement is reasonable, and the use space and the loading and unloading efficiency are improved; when a rescue tunnel is newly opened, the opening assembly at the front end of the central shaft rotates to realize the new tunnel, the multistage support shoe assembly at the rear end of the central shaft provides supporting force and advancing force along the tunneling direction when the opening assembly rotates, namely, when the former stage support shoe assembly is propped up to be in contact with the wall of the new tunnel to form a support, the latter stage support shoe assembly is contracted and advances along the tunneling direction, and then when the latter stage support shoe assembly is propped up to be in contact with the wall of the new tunnel to form a support, the former stage support shoe assembly is contracted and advances along the tunneling direction, so that the reciprocating is realized, the self-driven tunneling is realized, the structure is simple and reliable, the rapid tunneling is realized, the efficiency is improved, and valuable time is striven for rescue.

Drawings

Fig. 1 is a schematic structural view of the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 2 is a schematic structural view of another view of the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 3 is a schematic structural view of a cantilever table in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 4 is a schematic structural view of a tunneling device (a state of installation of a roller bit) in a rapid tunneling system for newly-opened rescue tunnels according to the present invention.

Fig. 5 is a schematic structural view of a tunneling device (bucket drill installation state) in the rapid tunneling system for newly-opened rescue tunnels of the present invention.

Fig. 6 is a schematic structural view of a tunneling device (an arc shoe contracted state) in the rapid tunneling system for newly-opened rescue tunnels of the present invention.

Fig. 7 is a schematic diagram of the internal structure of the tunneling device in the rapid tunneling system for newly-opened rescue tunnels.

FIG. 8 is a schematic structural view of an impact module in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 9 is a schematic diagram of a laying state structure of a support pipe in the rapid tunneling system for newly-opened rescue tunnels.

Fig. 10 is a schematic structural view of a support pipe in the rapid tunneling system for newly-opened rescue tunnels of the present invention.

Fig. 11 is a schematic structural view of a locking mechanism (unlocked state) in the rapid tunneling system for newly opened rescue tunnels of the present invention.

Fig. 12 is a schematic structural view (locked state) of a locking mechanism in the rapid tunneling system for newly opening a rescue tunnel of the present invention.

Fig. 13 is a schematic structural view of a pipe laying robot in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 14 is a schematic structural view of a soil discharging device in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 15 is a schematic structural view of a mount node in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 16 is a schematic structural view of a laminated state of a soil discharging mechanism in the rapid tunneling system for newly opening a rescue tunnel according to the present invention.

Fig. 17 is a schematic view of the construction of the invention in a state where the earth discharging mechanism is deployed in the rapid tunneling system for newly opening a rescue tunnel.

FIG. 18 is a schematic view of the structure of adjacent dumping mechanism nodes in the fast tunneling system for newly opened rescue tunnels of the invention.

The reference numerals in the drawings denote:

1. an equipment carrying vehicle; 11. a cantilever table; 12. a screw rod jacking machine; 2. a tunneling device; 21. a central shaft; 22. an aperture assembly; 221. reaming bit; 2211. a turntable; 2212. reaming tools; 2213. a guide groove; 222. an impact module; 2221. a fixed block; 2222. a buffer spring; 2223. percussion drilling; 2224. a protective cover; 22241. avoidance holes; 223. barrel drilling; 224. a roller cone drill; 23. a strut shoe assembly; 231. a travel drive; 2311. a mounting table; 2312. a travel drive cylinder; 232. a distraction driving member; 2321. a support rod; 2322. a supporting driving cylinder; 233. an arc boot plate; 2331. an anchor cone; 234. a connecting shaft; 3. supporting the pipeline; 31. arc-shaped duct pieces; 311. a mounting hole; 32. a hinge plate; 321. a sub-hinge piece; 322. a female hinge piece; 323. a locking hole; 33. a locking mechanism; 331. pre-pressing a spring; 332. a locking pin; 333. a clasp; 4. a soil discharging device; 41. a mounting member; 411. a mounting part; 412. a drag section; 42. a soil discharging mechanism; 421. a belt wheel conveyor; 4211. a support leg; 422. a roller; 423. a wheel axle; 5. a pipe laying robot; 51. a robot body; 52. a spreading mechanism; 521. a swing cylinder; 522. a supporting plate; 53. a walking mechanism; 531. swinging the connecting rod; 532. a walking wheel; 6. a power steering stage; 7. and a hydraulic pipe.

Detailed Description

The invention will be described in further detail with reference to the drawings and the specific examples.

Fig. 1 to 18 show an embodiment of the rapid tunneling system for a newly opened rescue tunnel according to the present invention, which comprises an equipment carrier vehicle 1, a tunneling device 2, a supporting pipeline 3, a soil discharging device 4 and a pipeline laying robot 5, wherein a power driving table 6 for providing power and control for the equipment carrier vehicle 1 is mounted on the equipment carrier vehicle 1, the tunneling device 2, the supporting pipeline 3, the soil discharging device 4 and the pipeline laying robot 5 are detachably mounted on the equipment carrier vehicle 1, the power driving table 6 is connected with the tunneling device 2 through a hydraulic pipe 7, the tunneling device 2 comprises a central shaft 21, an opening assembly 22 for the newly opened tunnel is mounted at the front end of the central shaft 21, a supporting shoe assembly 23 which can be opened in multiple stages to be contacted with the newly opened tunnel wall to provide supporting force for the opening assembly 22 and can travel along the tunneling direction is mounted at the rear end of the central shaft 21, and the soil discharging device 4 is connected with the tunneling device 2. In the structure, when loading, the tunneling device 2, the supporting pipeline 3, the soil discharging device 4 and the pipeline laying robot 5 are loaded on the equipment carrier vehicle 1, and the power driving platform 6 is connected with the tunneling device 2 through the hydraulic pipe 7 to form a hydraulic power system, so that the equipment carrier vehicle special for newly opening a rescue tunnel is formed, the structure is simple and reliable, the loading station arrangement is reasonable, and the use space and the loading and unloading efficiency are improved; when a rescue tunnel is newly opened, the opening assembly 22 at the front end of the central shaft 21 rotates to realize the new tunnel, the multistage supporting shoe assembly 23 at the rear end of the central shaft 21 provides supporting force and advancing force along the tunneling direction when the opening assembly 22 rotates, namely, when the former stage supporting shoe assembly 23 is supported to be in contact with the wall of the new tunnel to form a support, the latter stage supporting shoe assembly 23 is contracted and advances along the tunneling direction, and then when the latter stage supporting shoe assembly 23 is supported to be in contact with the wall of the new tunnel to form a support, the former stage supporting shoe assembly 23 is contracted and advances along the tunneling direction to reciprocate, so that self-driven tunneling is realized, the self-propelled tunneling machine is simple and reliable in structure, rapid tunneling is realized, efficiency is improved, and valuable time is obtained for rescue.

In this embodiment, the supporting shoe assembly 23 includes a traveling driving member 231, a supporting driving member 232 and a plurality of arc-shaped shoe plates 233, the traveling driving member 231 of the supporting shoe assembly 23 of the forefront stage is mounted on the central shaft 21, the supporting driving member 232 of the stage is sleeved with the central shaft 21 and connected with the output end of the traveling driving member 231, each arc-shaped shoe plate 233 of the stage is mounted at the output end of the supporting driving member 232 along the circumferential direction, the supporting driving member 232 of the rear stage is sleeved in a connecting shaft 234 and fixedly connected with the supporting driving member 232 of the front stage through the connecting shaft 234, and the traveling driving member 231 of the rear stage is mounted on the connecting shaft 234. In this structure, the center shaft 21 is used as the installation foundation of the front stage supporting shoe assembly 23, the connecting shaft 234 is used as the installation foundation of the rear stage supporting shoe assembly 23, when the front stage arc shoe 233 is supported by the supporting driving piece 232 and is contacted with the newly opened tunnel wall to form a support, the rear stage arc shoe 233 is driven to shrink by the supporting driving piece 232, meanwhile, the rear stage advancing driving piece 231 drives the rear stage supporting driving piece 232 to shrink in the connecting shaft 234, so that the rear stage supporting shoe assembly 23 advances along the tunneling direction, then the front stage arc shoe 233 is driven by the supporting driving piece 232 to shrink by the supporting driving piece 232, and meanwhile, the front stage advancing driving piece 231 drives the front stage supporting piece 232 to shrink in the center shaft 21 to realize the front stage supporting shoe assembly 23 to advance along the tunneling direction, so that the self-driving tunneling is realized, the self-driving tunneling structure is simple and reliable, the rapid tunneling efficiency is realized, and valuable tunneling time is taken for rescuing.

In this embodiment, the expanding driving member 232 includes a supporting rod 2321 and a plurality of expanding driving cylinders 2322, the supporting rod 2321 of the forefront stage is sleeved in the central shaft 21 and is connected with the output end of the advancing driving member 231, each expanding driving cylinder 2322 is mounted on the supporting rod 2321 along the circumferential direction, each arc boot plate 233 is mounted on the output end of the corresponding expanding driving cylinder 2322 along the circumferential direction, the connecting shaft 234 is fixedly connected with the supporting rod 2321 of the previous stage, and the supporting rod 2321 of the next stage is sleeved in the connecting shaft 234 of the previous stage. In this structure, the supporting rod 2321 is used as a mounting base of the opening driving cylinder 2322 and an advanced telescopic rod, and the expansion of the opening driving cylinder 2322 drives the expansion and contraction of each arc-shaped boot plate 233, so that the structure is simple and ingenious.

In this embodiment, the support bar 2321 of the foremost stage is nested in the central shaft 21 and its rotation is limited by the flat key engagement, and the support bar 2321 of the later stage is nested in the connection shaft 234 of the former stage and its rotation is limited by the flat key engagement. In this structure, can guarantee the flexible function of bracing piece 2321 in the advancing direction through the flat key joining in marriage, prevent again that bracing piece 2321 from taking place to rotate, improved overall structure's stability and reliability.

In this embodiment, the top surface of the arc-shaped shoe plate 233 is uniformly paved with an anchor cone 2331 for improving the supporting force. The anchor cone 2331 further improves the strength of the supporting force between the arc-shaped shoe 233 and the newly opened tunnel wall.

In this embodiment, the travel driver 231 includes a mounting table 2311 and a travel driving cylinder 2312, the mounting table 2311 of the foremost stage is fixed on the central shaft 21, the travel driving cylinder 2312 of the stage is fixed on the mounting table 2311, and an output end thereof is connected to the support bar 2321 of the stage, and the mounting table 2311 of the later stage is fixed on the connection shaft 234 of the stage. In this structure, the expansion and contraction of the travel driving cylinder 2312 drives the expansion and contraction of the support rod 2321, thereby realizing travel.

In this embodiment, the hole drilling assembly 22 includes a reamer 221, a percussion module 222, a barrel drill 223 and a roller bit 224, the barrel drill 223 and the roller bit 224 may be selectively installed at the front end of the central shaft 21 according to working conditions, and the reamer 221 and the percussion module 222 may be adaptively installed on the central shaft 21 according to working conditions. In this structure, when involving reinforced concrete structure, can install barrel bore 223 earlier and tear open at center pin 21 front end realization reinforced concrete structure, then, demolish barrel bore 223 again, install roller cone drill 224, impact module 222 and reamer bit 221 in proper order from front to back on center pin 21, roller cone drill 224 is responsible for grinding the place ahead soil sediment, impact module 222 is responsible for carrying out impact to the hard object and smash, and reamer bit 221 is discharged backward when realizing the reaming.

In this embodiment, the reamer bit 221 includes a rotary table 2211 and reamer tools 2212 arranged on the rotary table 2211 at uniform intervals, and a guide groove 2213 is formed between each reamer tool 2212. In this structure, the reaming tool 2212 reams the hole, and the guide groove 2213 discharges the soil and the residue backward, so that the structure is simple and reliable.

In this embodiment, the impact module 222 includes a fixing block 2221, a buffer spring 2222 and a plurality of hydraulic impact drills 2223, the fixing block 2221 is sleeved on the central shaft 21, the buffer spring 2222 is sleeved on the central shaft 21 and forms elastic contact with the fixing block 2221, and the hydraulic impact drills 2223 are uniformly arranged along the circumferential direction of the fixing block 2221. In this structure, the fixing block 2221 is used as a mounting base for each hydraulic impact drill 2223, the surrounding objects are broken by the reciprocating action of each hydraulic impact drill 2223, and the buffer spring 2222 is arranged to enable the fixing block 2221 to slide reciprocally on the central shaft 21, so as to prevent the hydraulic impact drill 2223 from being blocked or damaged or broken with the rock soil in the radial direction when extending.

In this embodiment, the impact module 222 further includes a protection cover 2224, where the protection cover 2224 is covered outside the fixing block 2221, the buffer spring 2222 and each hydraulic impact drill 2223, and a plurality of avoidance holes 22241 for extending out of the corresponding impact drill 2223 are formed in the protection cover 2224. The boot 2224 prevents the rock from falling directly into contact with the internal structure, improving its service life.

In this embodiment, the dumping device 4 includes a mounting member 41 and a plurality of sections of dumping mechanisms 42, in the transportation process, each dumping mechanism 42 is loaded on the equipment carrier 1 in a stacked state, during tunneling, the uppermost dumping mechanism 42 is connected with the central shaft 21 through the mounting member 41, the tunneling device 2 drives the uppermost dumping mechanism 42 to move towards the tunneling direction, and then the upper dumping mechanism 42 drives the adjacent lower dumping mechanism 42 to move towards the tunneling direction to drive each section of dumping mechanism 42 to butt up end to end in turn to form a dumping conveying line from inside the tunnel to outside the tunnel. When the device is used, the earth discharging mechanism 42 on the uppermost layer is connected with the tunneling device 2 through the mounting piece 41, the tunneling device 2 drives the earth discharging mechanism 42 on the uppermost layer to move towards the tunneling direction, the earth discharging mechanism 42 on the upper layer drives the earth discharging mechanism 42 on the adjacent lower layer to move towards the tunneling direction, the earth discharging mechanisms 42 on each section are driven to be sequentially connected end to form an earth discharging conveying line from the inside of a tunnel to the outside of the tunnel, and earth and residue generated in the tunneling process of the tunneling device 2 is discharged out of the tunnel through the earth discharging conveying line. Each soil discharging mechanism 42 of the soil discharging device is in a laminated state in the transportation process, so that the loading space is saved, and the loading and unloading are facilitated; the multi-section soil discharging mechanism 42 is sequentially released and unfolded from top to bottom by the power of the tunneling device 2, so that the automatic laying and discharging of the soil discharging conveying line are formed, the real-time soil discharging effect is realized, and the soil discharging efficiency is greatly improved.

In this embodiment, the soil discharging mechanism 42 includes a belt pulley conveyor 421, rollers 422 are mounted on both sides of the front and rear ends of the belt pulley conveyor 421, supporting legs 4211 are mounted on both sides of the rear end of the belt pulley conveyor 421, two rollers 422 at the rear end are mounted on corresponding supporting legs 4211, and in the process of unfolding each soil discharging mechanism 42 to form a soil discharging conveying line, the belt pulley conveyor 421 at the upper layer drives the belt pulley conveyor 421 at the lower layer to move in the tunneling direction through the supporting legs 4211 thereof. In this structure, the belt wheel conveyor 421 is used for conveying and discharging the soil residues, and the rollers 422 at the front and rear ends are convenient for automatic laying and discharging to form a soil discharging conveying line; the supporting legs 4211 at two sides of the rear end and the belt wheel conveyor 421 together form a straddling structure, namely, the belt wheel conveyor 421 at the upper layer straddles on the belt wheel conveyor 421 at the lower layer, the belt wheel conveyor 421 at the lower layer can be pressed by the self gravity of the belt wheel conveyor 421 at the upper layer, and the supporting legs 4211 at two sides form limit at the lateral direction, so that the stability and the reliability during stacking are improved.

In this embodiment, two rollers 422 at the front end of the belt pulley conveyor 421 are mounted on the belt pulley conveyor 421 through the axle 423, the axle 423 extends to the outer wall of the corresponding roller 422, and in the process of unfolding each soil discharging mechanism 42 to form a soil discharging conveyor line, the supporting leg 4211 of the belt pulley conveyor 421 at the upper layer contacts with the extending part of the axle 423 of the belt pulley conveyor 421 at the lower layer to drive the belt pulley conveyor 421 to move in the tunneling direction. In this structure, the supporting legs 4211 on both sides of the upper layer belt pulley conveyor 421 are in contact with the protruding parts of the wheel shafts 423 of the lower layer belt pulley conveyor 421, so that the upper layer drives the lower layer to move in the tunneling direction, and the structure is simple and reliable.

In the present embodiment, the mounting member 41 is provided with a mounting portion 411 and a drag portion 412, the mounting portion 411 is mounted on the center shaft 21, and the drag portion 412 is connected to the front end of the uppermost soil discharging mechanism 42. In this structure, the intermediate connection between the mounting portion 411 and the drag portion 412 provides the traveling power to the uppermost-layer soil discharging mechanism 42.

In this embodiment, the support pipe 3 includes at least two arc-shaped duct pieces 31, adjacent arc-shaped duct pieces 31 are hinged by a hinge piece 32, and a locking mechanism 33 is provided between the hinge piece 32 and the arc-shaped duct pieces 31; during the conveying process, each support pipeline 3 forms a flat pipe state which can prevent rolling and is beneficial to layer-by-layer stacking through the rotation of the hinge plates 32; when laying the group, pipeline laying robot 5 stretches into flat intraductal flat pipe operation to newly open in the tunnel, in newly opening the tunnel, pipeline laying robot 5 struts each arc section of jurisdiction 31 of supporting pipeline 3 and forms the pipe state, and locks through locking mechanism 33 between articulated piece 32 and the arc section of jurisdiction 31. When the novel support device is used, the pipeline laying robot 5 stretches into the flat pipe to drive the flat pipe to run into the newly opened tunnel, then the pipeline laying robot 5 struts each arc-shaped pipe piece 31 of the support pipeline 3 to form a circular pipe state, the newly opened tunnel is supported to form a safe rescue channel, and the locking mechanism 33 locks the hinge plate 32 and the arc-shaped pipe piece 31 when each arc-shaped pipe piece 31 is stretched, so that the hinge plate 32 and the arc-shaped pipe piece 31 are prevented from resetting, and the support strength is improved. Compared with the traditional structure, the support pipeline 3 forms a flat pipe state capable of preventing rolling through the rotation of the hinge plates 32, so that the support pipeline is beneficial to stacking layer by layer, saves loading space and is beneficial to loading and unloading; the cooperation pipeline laying robot 5 is convenient for strut and spread the group of supporting pipeline 3, and its simple structure is reliable, has improved shop group efficiency.

In this embodiment, the hinge plate 32 includes a sub hinge plate 321 and a main hinge plate 322 which are hinged to each other, the sub hinge plate 321 is hinged to the arc-shaped duct piece 31 on one side, the main hinge plate 322 is hinged to the arc-shaped duct piece 31 on the other side, the locking mechanism 33 is built in the arc-shaped duct piece 31, and when the hinge plate is opened, the locking mechanism 33 locks the sub hinge plate 321 and the main hinge plate 322 on the corresponding side. In this structure, connect adjacent arc section of jurisdiction 31 through son hinge piece 321 and female hinge piece 322, guaranteed the volume of pushing down of the flat tub of state of support pipeline 3, do benefit to the stack, locking mechanism 33 locks son hinge piece 321 and female hinge piece 322 of corresponding side, has guaranteed the stability and the reliability of pipe state.

In this embodiment, the locking mechanism 33 includes a pre-pressing spring 331 and a locking pin 332, the arc-shaped segment 31 is provided with a mounting hole 311, the pre-pressing spring 331 is pre-pressed in the mounting hole 311, one end of the locking pin 332 extends to the mounting hole 311 and is arranged on the pre-pressing spring 331 in a pressing manner, the other end of the locking pin protrudes out of the mounting hole 311, the sub-hinge plate 321 and the main hinge plate 322 are respectively provided with a locking hole 323, when in a flat tube state, the locking holes 323 and the locking pins 332 form dislocation, when in a round tube state, the pre-pressing spring 331 extends and drives the locking pins 332 to be inserted into the locking holes 323 to form locking. In this structure, when in the flat tubular state, the locking hole 323 and the locking pin 332 form dislocation, the pre-pressing spring 331 drives the locking pin 332 to be in a pre-pressing state, when in the circular tube state, the rotation of the arc-shaped tube piece 31 can drive the locking pin 332 to press down to break the pre-pressing force, and the stretching of the pre-pressing spring 331 can drive the locking pin 332 to stretch out and insert into the locking hole 323 to form locking, so that the structure is simple and ingenious.

In this embodiment, the locking pin 332 is provided with a snap ring 333, in a pre-pressing state, the snap ring 333 is clamped with the arc-shaped duct piece 31, and in a circular tube state, the rotation of the sub-hinge piece 321 and the main hinge piece 322 drives the locking pin 332 on the corresponding sides to be back-pressed, so that the snap ring 333 is broken to release the pre-pressing force of the pre-pressing spring 331, and the protruding portion of the locking pin 332 is hemispherical. In this structure, when the circular tube is in a state, the rotation of the arc tube piece 31 drives the locking pin 332 to be pressed down, at this time, the snap ring 333 is broken to release the pre-compression force of the pre-compression spring 331, and the expansion of the pre-compression spring 331 drives the locking pin 332 to extend out and be inserted into the locking hole 323 to form locking, so that the structure is simple and smart; the hemispherical structure makes it easier for the rotation of the arc-shaped segment 31 to drive the locking pin 332 to be pressed down so that the snap ring 333 is broken to release the pre-compression force of the pre-compression spring 331.

In this embodiment, the pipe laying robot 5 includes a robot body 51, a spreader mechanism 52 for spreading flat pipes is mounted at one end of the robot body 51, and a travelling mechanism 53 for realizing travelling is mounted at the other end of the robot body 51. In this structure, the walking mechanism 53 drives the robot body 51 and the expanding mechanism 52 to move, so that the conveying of the support pipeline 3 is realized, and the expanding mechanism 52 is used for expanding the flat pipe to form a circular pipe state, so that the laying support is realized.

In this embodiment, the spreader mechanism 52 includes a plurality of groups of swing cylinders 521 circumferentially arranged along the front end of the robot body 51, the ends of the swing cylinders 521 are provided with a stay plate 522 for contacting the inner wall of the arc segment 31, the traveling mechanism 53 includes a plurality of groups of swing links 531 circumferentially arranged along the rear end of the robot body 51, and the ends of the swing links 531 are provided with traveling wheels 532 for realizing traveling. In the structure, the operation of the swinging cylinder 521 drives the expansion and the contraction of the supporting plate 522, thereby realizing the transportation, the expansion and the paving of the supporting pipeline 3; the running of the swinging connecting rod 531 can drive the unfolding and folding of the travelling wheels 532, and the swinging connecting rod can be suitable for supporting pipelines 3 with different diameters, so that the adaptability of the swinging connecting rod is greatly improved.

In this embodiment, the cantilever table 11 and the screw rod jack 12 disposed on the cantilever table 11 are disposed on the equipment carrier vehicle 1, the tunneling device 2 is carried on the cantilever table 11, and the end opening driving member 232 is connected with the screw rod jack 12. In this structure, the cantilever table 11 is used for supporting the tunneling device 2, and the screw rod jacking machine 12 can position the tunneling device 2 on one hand and can drive the tunneling device 2 to move forward to realize off-vehicle tunneling on the other hand.

While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.

Claims

1. A quick tunneling system for newly opening rescue tunnel which characterized in that: the device comprises an equipment carrier vehicle (1), a tunneling device (2), a supporting pipeline (3), a soil discharging device (4) and a pipeline laying robot (5), wherein a power driving platform (6) for providing power and control for the equipment carrier vehicle is arranged on the equipment carrier vehicle (1), the tunneling device (2), the supporting pipeline (3), the soil discharging device (4) and the pipeline laying robot (5) are detachably arranged on the equipment carrier vehicle (1), the power driving platform (6) is connected with the tunneling device (2) through a hydraulic pipe (7), the tunneling device (2) comprises a central shaft (21), an opening assembly (22) for newly opening a tunnel is arranged at the front end of the central shaft (21), a multistage supporting shoe assembly (23) which can be supported and contacted with the newly opened tunnel wall for providing supporting force for the opening assembly (22) and can move along the tunneling direction is arranged at the rear end of the central shaft (21), the soil discharging device (4) is connected with the equipment carrier vehicle (2), the supporting shoe assembly (23) comprises a driving piece (231), a driving piece (232) and a supporting shoe plate (233) which can be supported by the most front supporting shoe assembly (23) on the first stage of the driving piece (231), the expanding driving piece (232) of the stage is sleeved with the central shaft (21) and connected with the output end of the advancing driving piece (231), each arc-shaped boot plate (233) of the stage is installed at the output end of the expanding driving piece (232) along the circumferential direction, the expanding driving piece (232) of the next stage is sleeved in a connecting shaft (234) and fixedly connected with the expanding driving piece (232) of the previous stage through the connecting shaft (234), and the advancing driving piece (231) of the next stage is installed on the connecting shaft (234).

2. A rapid tunneling system for newly-opened rescue tunnels according to claim 1, characterized in that: the supporting driving member (232) comprises a supporting rod (2321) and a plurality of supporting driving cylinders (2322), the supporting rod (2321) of the forefront stage is sleeved in the central shaft (21) and is connected with the output end of the advancing driving member (231), each supporting driving cylinder (2322) is mounted on the supporting rod (2321) along the circumferential direction, each arc-shaped boot plate (233) is mounted at the output end of the corresponding supporting driving cylinder (2322) along the circumferential direction, the connecting shaft (234) is fixedly connected with the supporting rod (2321) of the previous stage, and the supporting rod (2321) of the next stage is sleeved in the connecting shaft (234) of the previous stage.

3. A rapid tunneling system for newly-opened rescue tunnels according to claim 2, characterized in that: the support rod (2321) of the foremost stage is sleeved in the central shaft (21) and limits the rotation of the support rod through flat key matching, and the support rod (2321) of the later stage is sleeved in the connecting shaft (234) of the foremost stage and limits the rotation of the support rod through flat key matching.

4. A rapid tunneling system for newly-opened rescue tunnels according to claim 3, characterized in that: the top surface of the arc boot plate (233) is evenly paved with an anchor cone (2331) for improving supporting force.

5. A rapid tunneling system for newly-opened rescue tunnels as defined in claim 4, wherein: the travel driving member (231) comprises a mounting table (2311) and a travel driving cylinder (2312), wherein the mounting table (2311) of the forefront stage is fixed on the central shaft (21), the travel driving cylinder (2312) of the stage is fixed on the mounting table (2311), the output end of the travel driving cylinder is connected with the support rod (2321) of the stage, and the mounting table (2311) of the later stage is fixed on the connecting shaft (234) of the stage.

6. A rapid tunneling system for newly-opened rescue tunnels according to any one of claims 1 to 4, characterized in that: the perforating assembly (22) comprises a reaming bit (221), an impact module (222), a barrel drill (223) and a roller bit (224), wherein the barrel drill (223) and the roller bit (224) can be selectively installed at the front end of the central shaft (21) according to working conditions, and the reaming bit (221) and the impact module (222) can be adaptively installed on the central shaft (21) according to working conditions.

7. The rapid tunneling system for newly-opened rescue tunnels of claim 6, wherein: the reaming bit (221) comprises a rotary table (2211) and reaming cutters (2212) which are uniformly arranged on the rotary table (2211) at intervals, and a guide groove (2213) is formed between the reaming cutters (2212).

8. A rapid tunneling system for newly-opened rescue tunnels as defined in claim 7, wherein: the impact module (222) comprises a fixed block (2221), a buffer spring (2222) and a plurality of hydraulic impact drills (2223), wherein the fixed block (2221) is sleeved on a central shaft (21), the buffer spring (2222) is sleeved on the central shaft (21) and forms elastic contact with the fixed block (2221), and the hydraulic impact drills (2223) are uniformly distributed along the circumferential direction of the fixed block (2221).

9. A rapid tunneling system for newly-opened rescue tunnels as defined in claim 8, wherein: the impact module (222) further comprises a protective cover (2224), the protective cover (2224) is covered outside the fixed block (2221), the buffer spring (2222) and each hydraulic impact drill (2223), and a plurality of avoidance holes (22241) used for extending out of the corresponding impact drill (2223) are formed in the protective cover (2224).

10. A rapid tunneling system for newly-opened rescue tunnels according to any one of claims 1 to 4, characterized in that: the device for discharging soil (4) comprises a mounting piece (41) and a plurality of sections of soil discharging mechanisms (42), in the transportation process, each soil discharging mechanism (42) is loaded on the equipment carrier vehicle (1) in a stacked state, when tunneling, the soil discharging mechanism (42) on the uppermost layer is connected with a central shaft (21) through the mounting piece (41), the tunneling device (2) drives the soil discharging mechanism (42) on the uppermost layer to move towards the tunneling direction, and then the soil discharging mechanism (42) on the upper layer drives the soil discharging mechanism (42) on the adjacent lower layer to move towards the tunneling direction so as to drive each section of soil discharging mechanism (42) to be sequentially butted end to form a soil discharging conveying line from the inside of a tunnel to the outside of the tunnel.

11. A rapid tunneling system for newly-opened rescue tunnels according to claim 10, characterized in that: the soil discharging mechanism (42) comprises belt wheel conveyors (421), rollers (422) are arranged on two sides of the front end and the rear end of each belt wheel conveyor (421), supporting legs (4211) are arranged on two sides of the rear end of each belt wheel conveyor (421), two rollers (422) at the rear end are arranged on corresponding supporting legs (4211), and the belt wheel conveyors (421) on the upper layer drive the belt wheel conveyors (421) on the lower layer to move towards the tunneling direction through the supporting legs (4211) of the belt wheel conveyors (421) on the upper layer in the process of unfolding each soil discharging mechanism (42) to form a soil discharging conveying line.

12. A rapid tunneling system for newly-opened rescue tunnels according to claim 11, characterized in that: two gyro wheels (422) of band pulley conveyer (421) front end are all installed on band pulley conveyer (421) through shaft (423), shaft (423) stretches out to the outer wall of corresponding gyro wheel (422), and in the in-process that each mechanism (42) of discharging earth expands and forms the earth-discharging transfer chain, landing leg (4211) of band pulley conveyer (421) on upper strata and the extension contact of shaft (423) of band pulley conveyer (421) on lower floor are in order to drive it to the tunneling direction removal.

13. A rapid tunneling system for newly-opened rescue tunnels according to claim 12, characterized in that: the mounting part (411) and the dragging part (412) are arranged on the mounting part (41), the mounting part (411) is hung on the central shaft (21), and the dragging part (412) is connected with the front end of the earth discharging mechanism (42) at the uppermost layer.

14. A rapid tunneling system for newly-opened rescue tunnels according to any one of claims 1 to 4, characterized in that: the support pipeline (3) comprises at least two arc-shaped duct pieces (31), wherein adjacent arc-shaped duct pieces (31) are hinged through a hinge piece (32), and a locking mechanism (33) is arranged between the hinge piece (32) and the arc-shaped duct pieces (31); in the conveying process, each supporting pipeline (3) forms a flat pipe state which can prevent rolling and is beneficial to layer-by-layer stacking through the rotation of the hinging plates (32); when laying the group, pipeline laying robot (5) stretch to flat intraductal flat pipe operation to newly open in the tunnel, in newly opening the tunnel, pipeline laying robot (5) struts each arc section of jurisdiction (31) of support pipeline (3) and forms the pipe state, and just locks through locking mechanism (33) between articulated piece (32) and the arc section of jurisdiction (31).

15. A rapid tunneling system for newly-opened rescue tunnels according to claim 14, characterized in that: the hinge plate (32) comprises a sub hinge plate (321) and a main hinge plate (322) which are hinged with each other, the sub hinge plate (321) is hinged with an arc-shaped duct piece (31) on one side, the main hinge plate (322) is hinged with the arc-shaped duct piece (31) on the other side, the locking mechanism (33) is arranged in the arc-shaped duct piece (31), and when the hinge plate is opened, the locking mechanism (33) locks the sub hinge plate (321) and the main hinge plate (322) on the corresponding side.

16. A rapid tunneling system for newly-opened rescue tunnels according to claim 15, characterized in that: locking mechanism (33) are including pre-compaction spring (331) and locking pin (332), install mounting hole (311) have been seted up on arc section of jurisdiction (31), pre-compaction spring (331) pre-compaction is in mounting hole (311), locking pin (332) one end stretches to install in mounting hole (311) and presses to establish on pre-compaction spring (331), the other end is emitted mounting hole (311), all be equipped with locking hole (323) on child hinge piece (321) and female hinge piece (322), when flat tub of state, locking hole (323) and locking pin (332) form the dislocation, when pipe state, pre-compaction spring (331) are elongated and are driven locking pin (332) to insert in locking hole (323) and form the locking.

17. A rapid tunneling system for newly-opened rescue tunnels according to claim 16, characterized in that: the locking pin (332) is provided with a clamping ring (333), when in a pre-pressing state, the clamping ring (333) is clamped with the arc-shaped duct piece (31), and when in a circular tube state, the rotation of the sub-hinge piece (321) and the main hinge piece (322) drives the locking pin (332) on the corresponding side to be back-pressed, so that the clamping ring (333) is damaged to release the pre-pressing force of the pre-pressing spring (331), and the ejection part of the locking pin (332) is hemispherical.

18. A rapid tunneling system for newly-opened rescue tunnels according to claim 17, characterized in that: the pipeline laying robot (5) comprises a robot body (51), a spreading mechanism (52) for spreading flat pipes is arranged at one end of the robot body (51), and a travelling mechanism (53) for realizing travelling is arranged at the other end of the robot body (51).

19. A rapid tunneling system for newly-opened rescue tunnels according to claim 18, wherein: the supporting mechanism (52) comprises a plurality of groups of swing cylinders (521) circumferentially arranged along the front end of the robot body (51), supporting plates (522) used for being in contact with the inner wall of the arc-shaped duct piece (31) are arranged at the ends of the swing cylinders (521), the travelling mechanism (53) comprises a plurality of groups of swing connecting rods (531) circumferentially arranged along the rear end of the robot body (51), and travelling wheels (532) used for realizing travelling are arranged at the ends of the swing connecting rods (531).

20. A rapid tunneling system for newly-opened rescue tunnels according to any one of claims 1 to 4, characterized in that: the device is characterized in that a cantilever table (11) and a screw rod jacking machine (12) arranged on the cantilever table (11) are arranged on the device carrying vehicle (1), the tunneling device (2) is borne on the cantilever table (11), and a tail end opening driving piece (232) is connected with the screw rod jacking machine (12).